00341    a2200133   4500020001500000082001300015100002300028245004200051250000900093260004800102300002100150650001400171700002200185  a0194424545  a330bLIP  aLipsey, Richard G.  aAn introduction to positive economics  a8th.  aOxfordbOxford University Pressc1963g1995  axxiv,919p.c25cm  aECONOMICS  aChrystal, K. Alec